Today let's review and test Harbor Freight's cheapest torque wrenches, are they good enough for the DIYer?

Description from Harbor Freight:

Utilizing a heavy duty cam and pawl mechanism, this reversible 1/2 in. drive click type torque wrench is the go-to tool when precise torque is needed. The click type wrench design provides a torque range from 20-150 ft. lbs..

Click-type, accurate within +/- 4%
Heavy duty cam and pawl mechanism
Torque range: 20-150 ft. lbs.
Reversible

Specs:

SPECIFICATIONS
SKU(s)
63882, 239, 94850, 62431
Brand
PITTSBURGH
Accessories Included
Blow mold case
Accuracy
+/- 4%
Drive size (in.)
1/2 in.
Finish
Chrome Plated
Material
Steel


SPECIFICATIONS
SKU(s)
63880, 807, 61276, 94892
Brand
PITTSBURGH
Accessories Included
Blow mold case
Accuracy
+/- 4%
Drive size (in.)
3/8 in.